Home / 15,937.60-23,857.80-9,344.20

Finding the Fourth Proportional to 15,937.60, 23,857.80 and 9,344.20

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Solution

The fourth proportional to 15,937.60, 23,857.80 and 9,344.20 is: 13,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.60 : 23,857.80 = 9,344.20 : x
  2. Step 2: Convert to fraction form
    15,937.60/23,857.80 = 9,344.20/x
  3. Step 3: Cross multiply
    15,937.60x = 23,857.80 × 9,344.20
  4. Step 4: Simplify right side
    15,937.60x = 222,932,054.76
  5. Step 5: Solve for x
    x = 222,932,054.76/15,937.60
  6. Step 6: Final answer
    x = 13,987.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.